The LONGTAIL DUO’s extended wheelbase and premium components ensure a stable, comfortable, and smooth ride for families and cargo. Motor BAFANG M410 Mid-drive Motor (250 W Power, 80 Nm Max. Torque) Sensor Integrated Torque Sensor for the Mid-drive Motor Display TFT LCD Color Display Battery 720 Wh (36 V, 20 Ah) Lithium-ion Battery with LG Cells Controller Integrated Controller of the Mid-drive Motor Smart Connect Connect via TENWAYS APP Lights StVZO-compliant Top Speed 25 km/h* *The motor will stop giving assist at the stated top speed. You can still ride beyond the stated top speed with pure muscle power. This limit is set in accordance with local regulations. Range Up to 100 km* *Actual performance will vary depending on temperature, road conditions, rider's weight, etc. Climbing Ability Suitable for climbing slopes* *The actual performance would depend on the rider's physical strength. Frame 6061 Aluminium Frame Crankset Aluminium Alloy Crankset Wheels 24" Aluminium Rims Rear Derailleur Enviolo Heavy Duty Hub Drivetrain Gates CDX Carbon Belt Brake Tektro 4-piston Hydraulic Disc Brakes Tires TENWAYS Customized Tires Front Fork Suspension Front Fork Bottom Bracket Integrated with the Mid-drive Motor Saddle Selle Royal Saddle Weight* Net weight: 32 kg (excluding all accessories) Full weight: 41 kg (including all accessories)Permissible Max. Weight: 220 kg * All stated weight numbers have a +/- 3%-5% tolerance. Net weight includes the battery but excludes all accessories. Full weight includes the battery and all accessories.